ML20058D736
| ML20058D736 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 07/21/1982 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20058D731 | List: |
| References | |
| NUDOCS 8207270334 | |
| Download: ML20058D736 (1) | |
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Enclor.ura ELECTRICAL POWER SYSTEMS REACTOR PROTECTION SYSTEM ELECTRIC POWER MONITORING W-f.IMITING CONDITION FOR OPERATIdN-I
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3.8.4.4 Two RPS electric power monitoring channels'f'or each inservice RPS MG set or alternate source shall be OPERABLE.
APPLICABILITY:
At all times.
ACTION:
a.
With one RPS electric power monitoring channel for an' inservice. '..
RPS MG set or alternate power supply inoperable, restore the
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inoperable channel to OPERABLE status within 72. hours or remo've the asso,ciated RPS MG set or altern, ate power supply from service.
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be With both RPS electric power mo' nit'orin'g channels for an inservice
( RPS;MG set or alternate power ~ supply inoperable, restore at least-one to OPERABLE status within 30 minutes or remove the associated' ~
,. 'RPS MG set or alternate power ' supply from service.
SURVEILLANCE REQUIREMENTS The above specified RPS power monitoring. system instrumentation..
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At least once per 6 months by, p'erformance of a CHANNEL FDNCTIONAL a.
TEST, and b.
At least once per 18 months by demonst' rating the OPERABILITY of
'over-voltage, under-voltage and under-frequency protective instrumentation by performance of a CHANNEL CALIBRATION including.
simulated automatic actuation of the protective relays, tripping f.
logi'c and output c,ircuit breakers. and verifying the following setooints:
1.
Over-voltag'e 3 (132) VAC, l
2.
Under-voltage g (108) VAC, and
'3.
Under-frequency > (57) Hz.
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1 p.
8207270334 820721 PDR ADOCK 05000245 P
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